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Port matching




> 
> From: Mark <mardak@cogeco.ca>
> Date: 2004/09/22 Wed PM 11:39:27 EDT
> To: Scourge <scourge@cogeco.ca>
> CC: Rocco list <scirocco-l@scirocco.org>
> Subject: Re: Port matching

 When you 
> line the gasket up, everything has a bit of play in it, so what I did 
> was removed a bit more on the intake ports of the head, and also the 
> exhaust manifold holes.  Some people actually recommend bigger exhaust 
> manifold holes to create a "reversion dam"...  There is debate about 
> whether or not it's a good idea, but with this less than perfect method 
> of determining how much metal to remove you're better off with a step 
> that opens up with the airflow instead jutting out into the airflow...
> When you have removed the metal to the scribed lines "blend" it in to 
> the ports over about one to two inches.

Mark,
  When I tried to match-port my exhaust mani., I found it way too hard to grind that down without taking tons of time...  I was using a pneumatic die grinder...  What did you do that I did not?  Was your mani new?

Just curious,
  David


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